KIRBY CORP

Ticker: KEX CUSIP: 497266106 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 12,759 Value ($000) $1,406 Avg Close $101.65 Range $79.52 - $115.18

Q3 2025

Shares 13,259 Value ($000) $1,106 Avg Close $100.46 Range $81.90 - $122.50

Q2 2025

Shares 13,459 Value ($000) $1,526 Avg Close $104.91 Range $83.94 - $116.33

Q1 2025

Shares 13,759 Value ($000) $1,390 Avg Close $104.38 Range $93.85 - $115.93

Q4 2024

Shares 13,559 Value ($000) $1,435 Avg Close $120.50 Range $103.74 - $132.21

Q3 2024

Shares 13,759 Value ($000) $1,685 Avg Close $119.27 Range $102.74 - $130.90

Q2 2024

Shares 14,059 Value ($000) $1,683 Avg Close $111.71 Range $93.63 - $124.92

Q1 2024

Shares 14,559 Value ($000) $1,388 Avg Close $84.38 Range $74.88 - $95.79

Q4 2023

Shares 14,159 Value ($000) $1,111 Avg Close $78.20 Range $72.11 - $83.62

Q3 2023

Shares 14,259 Value ($000) $1,181 Avg Close $80.84 Range $73.76 - $87.52

Q2 2023

Shares 14,759 Value ($000) $1,136 Avg Close $71.97 Range $66.42 - $77.29

Q1 2023

Shares 15,159 Value ($000) $1,057 Avg Close $68.89 Range $60.14 - $76.34

Q4 2022

Shares 15,259 Value ($000) $982 Avg Close $66.74 Range $61.28 - $72.14

Q3 2022

Shares 15,059 Value ($000) $915 Avg Close $64.05 Range $55.03 - $71.47

Q2 2022

Shares 15,359 Value ($000) $934 Avg Close $65.10 Range $56.62 - $73.79

Q1 2022

Shares 15,259 Value ($000) $1,102 Avg Close $66.66 Range $58.84 - $75.08

Q4 2021

Shares 15,213 Value ($000) $904 Avg Close $55.90 Range $47.58 - $60.67

Q3 2021

Shares 15,013 Value ($000) $720 Avg Close $55.45 Range $47.91 - $62.15

Q2 2021

Shares 15,113 Value ($000) $916 Avg Close $64.44 Range $58.88 - $70.60

Q1 2021

Shares 22,213 Value ($000) $1,339 Avg Close $60.05 Range $48.05 - $70.00

Q4 2020

Shares 21,913 Value ($000) $1,136 Avg Close $45.56 Range $35.10 - $56.13

Q3 2020

Shares 21,913 Value ($000) $793 Avg Close $44.06 Range $35.76 - $54.69

Q2 2020

Shares 21,813 Value ($000) $1,168 Avg Close $51.09 Range $39.51 - $63.20

Q1 2020

Shares 16,600 Value ($000) $722 Avg Close $68.05 Range $32.76 - $92.30

Q4 2019

Shares 17,600 Value ($000) $1,576 Avg Close $82.85 Range $76.62 - $90.08

Q3 2019

Shares 17,400 Value ($000) $1,430 Avg Close $76.61 Range $69.71 - $84.98

Q2 2019

Shares 16,000 Value ($000) $1,264 Avg Close $80.26 Range $74.55 - $86.44

Q1 2019

Shares 19,200 Value ($000) $1,442 Avg Close $72.87 Range $65.24 - $79.02

Q4 2018

Shares 19,200 Value ($000) $1,293 Avg Close $74.00 Range $60.63 - $86.12

Q3 2018

Shares 19,900 Value ($000) $1,637 Avg Close $83.86 Range $75.70 - $88.80

Q2 2018

Shares 19,800 Value ($000) $1,655 Avg Close $86.79 Range $76.20 - $94.05

Q1 2018

Shares 19,600 Value ($000) $1,508 Avg Close $74.83 Range $66.80 - $80.90

Q4 2017

Shares 19,300 Value ($000) $1,289 Avg Close $65.55 Range $61.80 - $72.95

Q3 2017

Shares 20,200 Value ($000) $1,332 Avg Close $63.38 Range $59.25 - $68.60

Q2 2017

Shares 22,300 Value ($000) $1,491 Avg Close $68.12 Range $62.55 - $74.50

Q1 2017

Shares 21,900 Value ($000) $1,545 Avg Close $68.26 Range $61.65 - $73.40

Q4 2016

Shares 21,700 Value ($000) $1,443 Avg Close $63.22 Range $55.11 - $70.90

Q3 2016

Shares 21,700 Value ($000) $1,349 Avg Close $57.39 Range $50.80 - $64.85

Q2 2016

Shares 21,600 Value ($000) $1,348 Avg Close $65.49 Range $57.92 - $73.25

Q1 2016

Shares 21,500 Value ($000) $1,296 Avg Close $54.54 Range $44.63 - $63.03

Q4 2015

Shares 21,400 Value ($000) $1,126 Avg Close $61.90 Range $50.42 - $69.05

Q3 2015

Shares 25,000 Value ($000) $1,549 Avg Close $70.69 Range $59.54 - $78.72

Q2 2015

Shares 25,400 Value ($000) $1,947 Avg Close $79.24 Range $73.31 - $84.24

Q1 2015

Shares 25,200 Value ($000) $1,891 Avg Close $77.15 Range $70.89 - $82.91

Q4 2014

Shares 27,200 Value ($000) $2,196 Avg Close $99.06 Range $78.84 - $117.78

Q3 2014

Shares 27,100 Value ($000) $3,194 Avg Close $119.07 Range $114.11 - $124.12

Q2 2014

Shares 26,900 Value ($000) $3,151 Avg Close $107.32 Range $96.00 - $117.18

Q1 2014

Shares 26,800 Value ($000) $2,714 Avg Close $100.72 Range $92.86 - $106.93

Q4 2013

Shares 26,600 Value ($000) $2,640 Avg Close $91.83 Range $82.16 - $99.41

Q3 2013

Shares 26,500 Value ($000) $2,294 Avg Close $83.89 Range $79.15 - $89.19

Q2 2013

Shares 26,100 Value ($000) $2,076 Avg Close $77.04 Range $71.44 - $82.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,759	$1,406	$101.65	$79.52 - $115.18
Q3 2025	13,259	$1,106	$100.46	$81.90 - $122.50
Q2 2025	13,459	$1,526	$104.91	$83.94 - $116.33
Q1 2025	13,759	$1,390	$104.38	$93.85 - $115.93
Q4 2024	13,559	$1,435	$120.50	$103.74 - $132.21
Q3 2024	13,759	$1,685	$119.27	$102.74 - $130.90
Q2 2024	14,059	$1,683	$111.71	$93.63 - $124.92
Q1 2024	14,559	$1,388	$84.38	$74.88 - $95.79
Q4 2023	14,159	$1,111	$78.20	$72.11 - $83.62
Q3 2023	14,259	$1,181	$80.84	$73.76 - $87.52
Q2 2023	14,759	$1,136	$71.97	$66.42 - $77.29
Q1 2023	15,159	$1,057	$68.89	$60.14 - $76.34
Q4 2022	15,259	$982	$66.74	$61.28 - $72.14
Q3 2022	15,059	$915	$64.05	$55.03 - $71.47
Q2 2022	15,359	$934	$65.10	$56.62 - $73.79
Q1 2022	15,259	$1,102	$66.66	$58.84 - $75.08
Q4 2021	15,213	$904	$55.90	$47.58 - $60.67
Q3 2021	15,013	$720	$55.45	$47.91 - $62.15
Q2 2021	15,113	$916	$64.44	$58.88 - $70.60
Q1 2021	22,213	$1,339	$60.05	$48.05 - $70.00
Q4 2020	21,913	$1,136	$45.56	$35.10 - $56.13
Q3 2020	21,913	$793	$44.06	$35.76 - $54.69
Q2 2020	21,813	$1,168	$51.09	$39.51 - $63.20
Q1 2020	16,600	$722	$68.05	$32.76 - $92.30
Q4 2019	17,600	$1,576	$82.85	$76.62 - $90.08
Q3 2019	17,400	$1,430	$76.61	$69.71 - $84.98
Q2 2019	16,000	$1,264	$80.26	$74.55 - $86.44
Q1 2019	19,200	$1,442	$72.87	$65.24 - $79.02
Q4 2018	19,200	$1,293	$74.00	$60.63 - $86.12
Q3 2018	19,900	$1,637	$83.86	$75.70 - $88.80
Q2 2018	19,800	$1,655	$86.79	$76.20 - $94.05
Q1 2018	19,600	$1,508	$74.83	$66.80 - $80.90
Q4 2017	19,300	$1,289	$65.55	$61.80 - $72.95
Q3 2017	20,200	$1,332	$63.38	$59.25 - $68.60
Q2 2017	22,300	$1,491	$68.12	$62.55 - $74.50
Q1 2017	21,900	$1,545	$68.26	$61.65 - $73.40
Q4 2016	21,700	$1,443	$63.22	$55.11 - $70.90
Q3 2016	21,700	$1,349	$57.39	$50.80 - $64.85
Q2 2016	21,600	$1,348	$65.49	$57.92 - $73.25
Q1 2016	21,500	$1,296	$54.54	$44.63 - $63.03
Q4 2015	21,400	$1,126	$61.90	$50.42 - $69.05
Q3 2015	25,000	$1,549	$70.69	$59.54 - $78.72
Q2 2015	25,400	$1,947	$79.24	$73.31 - $84.24
Q1 2015	25,200	$1,891	$77.15	$70.89 - $82.91
Q4 2014	27,200	$2,196	$99.06	$78.84 - $117.78
Q3 2014	27,100	$3,194	$119.07	$114.11 - $124.12
Q2 2014	26,900	$3,151	$107.32	$96.00 - $117.18
Q1 2014	26,800	$2,714	$100.72	$92.86 - $106.93
Q4 2013	26,600	$2,640	$91.83	$82.16 - $99.41
Q3 2013	26,500	$2,294	$83.89	$79.15 - $89.19
Q2 2013	26,100	$2,076	$77.04	$71.44 - $82.84